<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>05_学子页面</title>
    <style>
        /*********公共CSS*********/
        *{
            margin: 0;
            padding: 0;
        }
        a{
            text-decoration: none;
        }
        ul{
            list-style: none;
        }
        .center{
            width: 1000px;
            margin: 0 auto;
        }
        /*********1F CSS***********/
        .f {

        }
        /**********1F 左侧 CSS**********/
        /**********1F 右侧 CSS**********/
        /**********2F CSS*********/
        /***********2F 左侧 CSS*********/
        /***********2F右侧 CSS*********/
    </style>
</head>
<body>
<div class="main">
    <div class="center">
        <div class="f1">
            <div class="left"></div>
            <div class="right"></div>
        </div>
        <div class="f2">
            <div class="left">
                <div class="card"></div>
                <div class="card"></div>
                <div class="card"></div>
            </div>
        </div>
    </div>
</div>
</body>
</html>